简单介绍了目前纬编线圈长度的两种测试方法：脱散法和利用线速圈长仪的动态测试法，指出了它们的不足之处，并介绍一种新的纬编线圈长度测试方法。%Two testing methods for loop length of weft-knitting which are usually used now are introduced firstly：static test method and dynamic method，the deficiency of which is pointed out；A new testing method is introduced in detail．
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